55032215504 has 20 divisors (see below), whose sum is σ = 121857048864. Its totient is φ = 23585235168.

The previous prime is 55032215501. The next prime is 55032215551. The reversal of 55032215504 is 40551223055.

55032215504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55032215501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245679422 + ... + 245679645.

Almost surely, 2^55032215504 is an apocalyptic number.

It is an amenable number.

55032215504 is an abundant number, since it is smaller than the sum of its proper divisors (66824833360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55032215504 is a wasteful number, since it uses less digits than its factorization.

55032215504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491359082 (or 491359076 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 55032215504 its reverse (40551223055), we get a palindrome (95583438559).

The spelling of 55032215504 in words is "fifty-five billion, thirty-two million, two hundred fifteen thousand, five hundred four".